Fix saving and loading of slider min max values. Add test for sb2 to sb3 conversion that tests all montior properties remain the same after save and load.

src/serialization/sb3.js

@@ -502,8 +502,8 @@ const serializeMonitors = function (monitors) {
             visible: monitorData.visible
         };
         if (monitorData.mode !== 'list') {
-            serializedMonitor.min = monitorData.sliderMin;
-            serializedMonitor.max = monitorData.sliderMax;
+            serializedMonitor.sliderMin = monitorData.sliderMin;
+            serializedMonitor.sliderMax = monitorData.sliderMax;
         }
         return serializedMonitor;
     });
@@ -556,7 +556,7 @@ const serialize = function (runtime, targetId) {
     meta.vm = vmPackage.version;
 
     // Attach full user agent string to metadata if available
-    meta.agent = null;
+    meta.agent = 'none';
     if (typeof navigator !== 'undefined') meta.agent = navigator.userAgent;
 
     // Assemble payload and return

test/integration/monitors_sb2_to_sb3.js

@@ -0,0 +1,155 @@
+const path = require('path');
+const test = require('tap').test;
+const makeTestStorage = require('../fixtures/make-test-storage');
+const readFileToBuffer = require('../fixtures/readProjectFile').readFileToBuffer;
+const VirtualMachine = require('../../src/index');
+
+const projectUri = path.resolve(__dirname, '../fixtures/monitors.sb2');
+const project = readFileToBuffer(projectUri);
+
+const vm = new VirtualMachine();
+vm.attachStorage(makeTestStorage());
+
+// TODO figure out why running threads doesn't work in this test
+// vm.start();
+vm.clear();
+vm.setCompatibilityMode(false);
+vm.setTurboMode(false);
+
+test('Set Up - load the sb2 project', t => {
+    vm.loadProject(project).then(() => {
+        t.pass('Successfully Loaded!');
+        t.end();
+    });
+});
+
+test('saving and loading sb2 project with monitors preserves sliderMin and sliderMax', t => {
+
+    vm.on('playgroundData', e /* eslint-disable-line no-unused-vars */ => {
+        // TODO related to above TODO, comment these back in when we figure out
+        // why running threads doesn't work with this test
+
+        // const threads = JSON.parse(e.threads);
+        // All monitors should create threads that finish during the step and
+        // are revoved from runtime.threads.
+        // t.equal(threads.length, 0);
+
+        // we care that the last step updated the right number of monitors
+        // we don't care whether the last step ran other threads or not
+        // const lastStepUpdatedMonitorThreads = vm.runtime._lastStepDoneThreads.filter(thread => thread.updateMonitor);
+        // t.equal(lastStepUpdatedMonitorThreads.length, 8);
+
+        // There should be one additional hidden monitor that is in the monitorState but
+        // does not start a thread.
+        t.equal(vm.runtime._monitorState.size, 9);
+
+        const stage = vm.runtime.targets[0];
+        const target = vm.runtime.targets[1];
+
+        // Global variable named "global" is a slider
+        let variableId = Object.keys(stage.variables).filter(k => stage.variables[k].name === 'global')[0];
+        // Used later when checking save and load of slider min/max
+        let monitorRecord = vm.runtime._monitorState.get(variableId);
+        t.equal(monitorRecord.opcode, 'data_variable');
+        t.equal(monitorRecord.mode, 'slider');
+        t.equal(monitorRecord.sliderMin, -200); // Make sure these are imported for sliders.
+        t.equal(monitorRecord.sliderMax, 30);
+        t.equal(monitorRecord.x, 5); // These are imported for all monitors, just check once.
+        t.equal(monitorRecord.y, 59);
+        t.equal(monitorRecord.visible, true);
+
+        // Global variable named "global list" is a list
+        variableId = Object.keys(stage.variables).filter(k => stage.variables[k].name === 'global list')[0];
+        monitorRecord = vm.runtime._monitorState.get(variableId);
+        t.equal(monitorRecord.opcode, 'data_listcontents');
+        t.equal(monitorRecord.mode, 'list');
+        t.equal(monitorRecord.visible, true);
+
+        // Local variable named "local" is hidden
+        variableId = Object.keys(target.variables).filter(k => target.variables[k].name === 'local')[0];
+        monitorRecord = vm.runtime._monitorState.get(variableId);
+        t.equal(monitorRecord.opcode, 'data_variable');
+        t.equal(monitorRecord.mode, 'default');
+        t.equal(monitorRecord.visible, false);
+
+        // Local list named "local list" is visible
+        variableId = Object.keys(target.variables).filter(k => target.variables[k].name === 'local list')[0];
+        monitorRecord = vm.runtime._monitorState.get(variableId);
+        t.equal(monitorRecord.opcode, 'data_listcontents');
+        t.equal(monitorRecord.mode, 'list');
+        t.equal(monitorRecord.visible, true);
+        t.equal(monitorRecord.width, 104); // Make sure these are imported from lists.
+        t.equal(monitorRecord.height, 204);
+
+        // Backdrop name monitor is visible, not sprite specific
+        // should get imported with id that references the name parameter
+        // via '_name' at the end since the 3.0 block has a dropdown.
+        monitorRecord = vm.runtime._monitorState.get('backdropnumbername_name');
+        t.equal(monitorRecord.opcode, 'looks_backdropnumbername');
+        t.equal(monitorRecord.mode, 'default');
+        t.equal(monitorRecord.visible, true);
+        t.equal(monitorRecord.spriteName, null);
+        t.equal(monitorRecord.targetId, null);
+
+        // x position monitor is in large mode, specific to sprite 1
+        monitorRecord = vm.runtime._monitorState.get(`${target.id}_xposition`);
+        t.equal(monitorRecord.opcode, 'motion_xposition');
+        t.equal(monitorRecord.mode, 'large');
+        t.equal(monitorRecord.visible, true);
+        t.equal(monitorRecord.spriteName, 'Sprite1');
+        t.equal(monitorRecord.targetId, target.id);
+
+
+        let monitorId;
+        let monitorBlock;
+
+        // The monitor IDs for the sensing_current block should be unique
+        // to the parameter that is selected on the block being monitored.
+        // The paramater portion of the id should be lowercase even
+        // though the field value on the block is uppercase.
+
+        monitorId = 'current_date';
+        monitorRecord = vm.runtime._monitorState.get(monitorId);
+        t.equal(monitorRecord.opcode, 'sensing_current');
+        monitorBlock = vm.runtime.monitorBlocks.getBlock(monitorId);
+        t.equal(monitorBlock.fields.CURRENTMENU.value, 'DATE');
+        t.equal(monitorRecord.mode, 'default');
+        t.equal(monitorRecord.visible, true);
+        t.equal(monitorRecord.spriteName, null);
+        t.equal(monitorRecord.targetId, null);
+
+        monitorId = 'current_minute';
+        monitorRecord = vm.runtime._monitorState.get(monitorId);
+        t.equal(monitorRecord.opcode, 'sensing_current');
+        monitorBlock = vm.runtime.monitorBlocks.getBlock(monitorId);
+        t.equal(monitorBlock.fields.CURRENTMENU.value, 'MINUTE');
+        t.equal(monitorRecord.mode, 'default');
+        t.equal(monitorRecord.visible, true);
+        t.equal(monitorRecord.spriteName, null);
+        t.equal(monitorRecord.targetId, null);
+
+        monitorId = 'current_dayofweek';
+        monitorRecord = vm.runtime._monitorState.get(monitorId);
+        t.equal(monitorRecord.opcode, 'sensing_current');
+        monitorBlock = vm.runtime.monitorBlocks.getBlock(monitorId);
+        t.equal(monitorBlock.fields.CURRENTMENU.value, 'DAYOFWEEK');
+        t.equal(monitorRecord.mode, 'default');
+        t.equal(monitorRecord.visible, true);
+        t.equal(monitorRecord.spriteName, null);
+        t.equal(monitorRecord.targetId, null);
+
+        t.end();
+        process.nextTick(process.exit);
+    });
+
+    // Start VM, load project, and run
+    t.doesNotThrow(() => {
+        const sb3ProjectJson = vm.toJSON();
+        return vm.loadProject(sb3ProjectJson).then(() => {
+            setTimeout(() => {
+                vm.getPlaygroundData();
+                vm.stopAll();
+            }, 100);
+        });
+    });
+});